Finding the Fourth Proportional to 298,760.72, 412,270.44 and 164,624.72

Step by Step Solution

1. Step 1: Write the proportion equation
   298,760.72 : 412,270.44 = 164,624.72 : x
2. Step 2: Convert to fraction form
   298,760.72/412,270.44 = 164,624.72/x
3. Step 3: Cross multiply
   298,760.72x = 412,270.44 × 164,624.72
4. Step 4: Simplify right side
   298,760.72x = 67,869,905,749.28
5. Step 5: Solve for x
   x = 67,869,905,749.28/298,760.72
6. Step 6: Final answer
   x = 227,171.45